Co-occurrence Maps

Author: ANONYMOUS 7/22/2024

Supplementary Analysis: Co-occurrence Maps of Keyword and Abstract Corpora


In the main manuscript, we provided a selection of co-occurrence maps (i.e. a general map of the keyword corpus and a general map of the abstract corpus). We further presented maps for specific terms (i.e., “Islamist”, “far right,” and “far left”) derived from the abstract corpus only.
In this supplementary material, we present all specific co-occurrence maps generated from both the keyword corpus and the abstract corpus.
Recognizing the critical importance of the adolescent age group in the context of radicalization, we further provide detailed co-occurrence maps for the term “adolescence” to shed light on the key concepts and associations related to this key demographic.

1. Islamist

1.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'islamist'.

Figure 1.1: Co-occurrence map for “islamist” in Analysis 1.


1.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'islamist'.

Figure 1.2: Co-occurrence map for “islamist” in Analysis 2.


2. Far right

2.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'far right'.

Figure 2.1: Co-occurrence map for “far right” in Analysis 1.


2.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'far right'.

Figure 2.2: Co-occurrence map for “far right” in Analysis 2.


3. Far left

3.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'far left'.

Figure 3.1: Co-occurrence map for “far left” in Analysis 1.


3.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'far left'.

Figure 3.2: Co-occurrence map for “far left” in Analysis 2.


4. Lone actor

4.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'lone actor'.

Figure 4.1: Co-occurrence map for “lone actor” in Analysis 1.


4.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'lone actor'.

Figure 4.2: Co-occurrence map for “lone actor” in Analysis 2.


5. Foreign Fighter

5.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'foreign fighter'.

Figure 5.1: Co-occurrence map for “foreign fighter” in Analysis 1.


5.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'foreign fighter'.

Figure 5.2: Co-occurrence map for “foreign fighter” in Analysis 2.


6. Male Supremacist

6.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'male supremacist'.

Figure 6.1: Co-occurrence map for “male supremacist” in Analysis 1.


6.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'male supremacist'.

Figure 5.2: Co-occurrence map for “male supremacist” in Analysis 2.


7. Adolescence

7.1 Analysis 1: Keywords

Analysis 1: Co-occurrence map for 'adolescence'.

Figure 7.1: Co-occurrence map for “adolescence” in Analysis 1.


7.2 Analysis 2: Abstracts

Analysis 2: Co-occurrence map for 'adolescence'.

Figure 7.2: Co-occurrence map for “adolescence” in Analysis 2.